Wellman Wellamid® MR409 22H-N 40% Mineral Reinforced Nylon 66, Heat Stabilized

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Wellman Wellamid® MR409 22H-N 40% Mineral Reinforced Nylon 66, Heat Stabilized
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 66 (PA66); Nylon 66, 40% Mineral Filled
Material Notes:	Typical Applications: Lawn and garden equipment, automotive trim, bezels, wheel covers, window frames, gas tank filler housings, brackets, metalized lighting reflectors for automotive, automotive cooling fans & shrouds, automotive door handles, brackets, automotive mirror shells, painted parts, components for small gas engines, sporting goods, auto luggage rack components. Data provided by the manufacturer, Wellman Inc.
Key Words:	Polyamide 66
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	1.46 g/cc	0.0527 lb/in³	ISO 1183
Water Absorption	0.70 %	0.70 %	Approximate 24 hr.
Linear Mold Shrinkage	0.010 - 0.014 cm/cm	0.010 - 0.014 in/in	ISO 294-4

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	85.0 MPa	12300 psi	ISO 527
Elongation at Break	6.0 %	6.0 %	ISO 527
Flexural Yield Strength	140 MPa	20300 psi	ISO 178
Flexural Modulus	5.70 GPa	827 ksi	ISO 178
Izod Impact, Notched	0.600 J/cm	1.12 ft-lb/in	ISO 180

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	100 °C	212 °F	ISO 75
Flammability, UL94	HB @Thickness 0.790 mm	HB @Thickness 0.0311 in

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	282 - 304 °C	540 - 580 °F
Middle Barrel Temperature	277 - 299 °C	530 - 570 °F
Front Barrel Temperature	271 - 293 °C	520 - 560 °F
Nozzle Temperature	282 - 293 °C	540 - 560 °F
Melt Temperature	288 - 310 °C	550 - 590 °F
Mold Temperature	71.1 - 93.3 °C	160 - 200 °F
Drying Temperature	79.4 °C	175 °F	Opened bags and gaylord boxes
Dry Time	2 - 4 hour	2 - 4 hour	Opened bags and gaylord boxes
Moisture Content	0.050 - 0.20 %	0.050 - 0.20 %	During molding to prevent hydrolytic degradation
	<= 0.20 %	<= 0.20 %	In shipping bags, ready to mold
Injection Pressure	34.5 - 138 MPa	5000 - 20000 psi
Back Pressure	0.345 MPa	50.0 psi
Screw Speed	30 - 120 rpm	30 - 120 rpm

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PWEL38 / 72318

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